INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8421c6cf0aaf05a79d688db3dc43eca15eacc2a7eb6e561cb8866fe3d4476ea8', 
    'xknZLY+jAJ7qsu370ar8eqnmcAksQyNRpVGwYAmEDBI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00055

Result

int(1)